Close the proper tcptls_session when session creation fails.

(issue AST-998)
Reported by: Thomas Arimont
Tested by: Thomas Arimont
........

Merged revisions 366052 from http://svn.asterisk.org/svn/asterisk/branches/1.8
........

Merged revisions 366053 from http://svn.asterisk.org/svn/asterisk/branches/10


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@366062 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_sip.c

@@ -26625,7 +26625,7 @@ create_tcptls_session_fail:
 		ao2_t_ref(ca, -1, "failed to create client, getting rid of client tcptls_session arguments");
 	}
 	if (s->tcptls_session) {
-		ast_tcptls_close_session_file(tcptls_session);
+		ast_tcptls_close_session_file(s->tcptls_session);
 		s->fd = -1;
 		ao2_ref(s->tcptls_session, -1);
 		s->tcptls_session = NULL;